Illuminable emergency warning sign for automobiles



FIG. 1 is a front elevational view of an illuminable emergency warning sign for automobiles showing my new design, with the broken line showing for illustrative purposes only and forming no part of the claimed design, and the cord broken away to indicate indeterminate length;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a illuminable emergency warning sign for automobiles, as shown and described. 